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 <h1 class="title">Throwable</h1>
 

 <div class="partintro"><p class="verinfo">(PHP 7, PHP 8)</p>


  <div class="section" id="throwable.intro">
   <h2 class="title">简介</h2>
   <p class="para">
    <span class="classname"><strong class="classname">Throwable</strong></span> 是能被 <a href="language.exceptions.html" class="link"><code class="literal">throw</code></a> 语句抛出的最基本的接口（interface），包含了 
    <span class="classname"><a href="class.error.html" class="classname">Error</a></span> 和 <span class="classname"><a href="class.exception.html" class="classname">Exception</a></span> 。
   </p>
   <blockquote class="note"><p><strong class="note">注意</strong>: 
    <p class="para">
     PHP 类无法直接实现 （implement） <span class="classname"><strong class="classname">Throwable</strong></span> 接口，而应当去继承
     <span class="classname"><a href="class.exception.html" class="classname">Exception</a></span>。
    </p>
   </p></blockquote>
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  <div class="section" id="throwable.synopsis">
   <h2 class="title">接口摘要</h2>


   <div class="classsynopsis">
    <div class="ooclass">
     
    </div>

    <div class="classsynopsisinfo">
     <span class="oointerface"><span class="modifier">interface</span> <strong class="interfacename">Throwable</strong></span><span class="ooclass">
      <span class="modifier">extends</span>
       <a href="class.stringable.html" class="classname">Stringable</a>
     </span>
     {</div>
    
    <div class="classsynopsisinfo classsynopsisinfo_comment">/* 方法 */</div>
    <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><a href="throwable.getmessage.html" class="methodname">getMessage</a></span>(): <span class="type">string</span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="throwable.getcode.html" class="methodname">getCode</a></span>(): <span class="type">int</span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="throwable.getfile.html" class="methodname">getFile</a></span>(): <span class="type">string</span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="throwable.getline.html" class="methodname">getLine</a></span>(): <span class="type">int</span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="throwable.gettrace.html" class="methodname">getTrace</a></span>(): <span class="type">array</span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="throwable.gettraceasstring.html" class="methodname">getTraceAsString</a></span>(): <span class="type">string</span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="throwable.getprevious.html" class="methodname">getPrevious</a></span>(): <span class="type"><span class="type">?</span><span class="type"><a href="class.throwable.html" class="type Throwable">Throwable</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">abstract</span> <span class="modifier">public</span> <span class="methodname"><a href="throwable.tostring.html" class="methodname">__toString</a></span>(): <span class="type">string</span></div>


    <div class="classsynopsisinfo classsynopsisinfo_comment">/* 继承的方法 */</div>
    <div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="stringable.tostring.html" class="methodname">Stringable::__toString</a></span>(): <span class="type">string</span></div>

   }</div>


  </div>

  <div class="section">
   <h2 class="title">更新日志</h2>
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>版本</th>
       <th>说明</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>8.0.0</td>
       <td>
        现在 <span class="classname"><strong class="classname">Throwable</strong></span> 实现了 <span class="interfacename"><a href="class.stringable.html" class="interfacename">Stringable</a></span>。
       </td>
      </tr>

     </tbody>
    
   </table>

  </div>

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<h2>目录</h2><ul class="chunklist chunklist_reference"><li><a href="throwable.getmessage.html">Throwable::getMessage</a> — 获取信息</li><li><a href="throwable.getcode.html">Throwable::getCode</a> — 获取异常代码</li><li><a href="throwable.getfile.html">Throwable::getFile</a> — 获取创建对象的文件</li><li><a href="throwable.getline.html">Throwable::getLine</a> — 获取初始化对象时候的行号</li><li><a href="throwable.gettrace.html">Throwable::getTrace</a> — 获取堆栈踪迹（Stack Trace）</li><li><a href="throwable.gettraceasstring.html">Throwable::getTraceAsString</a> — 以 string 形式获取堆栈踪迹</li><li><a href="throwable.getprevious.html">Throwable::getPrevious</a> — 返回先前的 Throwable</li><li><a href="throwable.tostring.html">Throwable::__toString</a> — 获取 Throwable 对象 string 形式的表达</li></ul>
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